1. Cutaneous endometriosis;Steck;Clin Obstet Gynecol,1966
2. Extragenital endometriosis;Franklin;Prog Clin Biol Res,1990
3. MR appearance of umbilical endometriosis;Yu;J Comput Assist Tomogr,1994
4. Extrapelvic endometriosis presenting as a hernia: clinical reports and review of the literature;Sataloff;Surgery,1989
5. Surgical scar endometrioma;Koger;Surg Gynecol Obstet,1993